CN111922776A

CN111922776A - Cutting waste chip recycling and cleaning device

Info

Publication number: CN111922776A
Application number: CN202010701636.4A
Authority: CN
Inventors: 陈俊斌
Original assignee: Zhuji Nuoda Machinery Technology Co ltd
Current assignee: Zhuji Nuoda Machinery Technology Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2020-11-13

Abstract

The invention discloses a cutting waste chip recycling and cleaning device, which comprises an equipment box, wherein an equipment cavity and a storage cavity with an upward opening are arranged in the equipment box, a connecting cavity is communicated between the equipment cavity and the storage cavity, a hydraulic cylinder is fixedly arranged on the left side wall of the equipment cavity, the right end of the hydraulic cylinder is fixedly connected with a hydraulic column, a telescopic cavity with a right opening is arranged in the hydraulic column, the bottom wall of the telescopic cavity is fixedly connected with a detector, the right end of the detector is fixedly connected with a spring, the right end of the spring is fixedly connected with a push rod, the right end of the push rod is fixedly connected with a collecting box, the cutting machine can timely collect the cut waste chips into the collecting box and clean the waste chips while cutting workpieces, therefore, when a certain amount of the waste scraps are obtained, the waste scraps are timely treated, the production efficiency of the whole workshop is improved, and the labor cost is reduced.

Description

Cutting waste chip recycling and cleaning device

Technical Field

The invention relates to the field of metal cutting, in particular to a cutting waste chip recycling and cleaning device.

Background

The common numerical control machine tool in the traditional production workshop can not timely treat and clean the scraps after cutting workpieces, so that the production efficiency of the whole workshop is reduced, the conventional workshop needs manual treatment of the scraps, the operation wastes both human resources and working hours, and the treatment of the scraps can reduce the production efficiency of the whole workshop and the benefits of factories in cost, labor, time and efficiency due to the result.

Disclosure of Invention

In order to solve the problems, the cutting waste chip recycling and cleaning device comprises an equipment box, wherein an equipment cavity and a storage cavity with an upward opening are arranged in the equipment box, a connecting cavity is communicated between the equipment cavity and the storage cavity, a hydraulic cylinder is fixedly arranged on the left side wall of the equipment cavity, a hydraulic column is fixedly connected to the right end of the hydraulic cylinder, a telescopic cavity with a rightward opening is arranged in the hydraulic column, a detector is fixedly connected to the bottom wall of the telescopic cavity, a spring is fixedly connected to the right end of the detector, a push rod is fixedly connected to the right end of the spring, a collecting box is fixedly connected to the right end of the push rod, a collecting cavity with an upward opening is arranged in the collecting box, six guide columns are fixedly connected to the lower end face of the collecting box, and guide shafts are rotatably connected to the guide columns, the guide shaft is rotatably connected with a guide wheel, the left side wall and the right side wall of the collection cavity are provided with an air cylinder and a cleaning liquid box which take the central line of the collection cavity as a symmetrical center, one end of the cleaning liquid box, which is close to each other, is fixedly connected with a spray pipe, a pipeline is arranged in the spray pipe, one end of the air cylinder, which is close to each other, is fixedly connected with an air column, an air cavity with opposite openings is arranged in the air column, the bottom wall of the air cavity is fixedly connected with an inductor, one end of the inductor, which is close to each other, is fixedly connected with an induction spring, one end of the induction spring, which is close to each other, is fixedly connected with a push column, the inner circumferential surface of the push column is rotatably connected with a swing shaft, the outer circumferential surface of the swing shaft is rotatably connected with a swing telescopic column, the wheel shaft is rotatably connected with a support column which is fixedly connected to the bottom wall of the collecting cavity, the left side of the equipment cavity is fixedly connected with a motor, the right end of the motor is in power connection with a driving shaft, the right end of the driving shaft is fixedly connected with a coupling shaft, the right end of the coupling shaft is in meshing connection with a connecting bevel gear, the right end of the connecting bevel gear is in meshing connection with a driven bevel gear, a coupling rod is fixedly connected between the connecting bevel gear and the driven bevel gear, the right end of the driven bevel gear is fixedly connected with a driven shaft, the driven shaft is fixedly connected with a holder, the lower end of the connecting bevel gear is fixedly connected with a coupling shaft, the lower end of the coupling shaft is fixedly connected with a coupling bevel gear, the lower end of the coupling bevel, the driving shaft is rotatably connected and arranged on the front inner wall and the rear inner wall of the collection cavity, the front end of the driving shaft is fixedly connected with a driving belt pulley, the outer peripheral surface of the driving belt pulley is rotatably connected with a belt, the inner peripheral surface of the belt is rotatably connected with a driven belt pulley, the inner peripheral surface of the driven belt pulley is fixedly connected with a driven shaft, the driven shaft is rotatably connected and arranged on the front inner wall and the rear inner wall of the collection cavity, when a workpiece to be processed is clamped on the motor, the motor is started to drive the driving shaft to rotate, the driving bevel gear is driven to rotate, the connecting bevel gear is driven to rotate, the linkage rod is driven to rotate, the linkage shaft, the linkage bevel gear, the driving belt pulley and the driving shaft are driven to rotate, and the belt, thereby driving the driven bevel gear to rotate and further driving the driven shaft and the holder to rotate, when metal scraps are generated in the processing process, the metal scraps fall on the upper end surface of the belt, so that the metal scraps fall into the collecting cavity, the air cylinder is started at the moment, the air columns are driven to approach each other and extend, thereby driving the inductor, the induction spring and the pushing column to approach each other and extend, further driving the swinging shaft to rotate, thereby driving the swing telescopic columns to approach each other and extend, further driving the rotating wheels and the wheel shafts to rotate, thereby driving the pressing plates to mutually approach and swing and flattening the metal scraps falling in the collecting cavity, starting the cleaning liquid box at the moment, and then filling the cleaning liquid in the cleaning liquid tank into the pipeline, so that the cleaning liquid in the pipeline is sprayed into the collecting cavity to clean the metal scraps.

Beneficially, the upper end face of the right side of the equipment box is provided with two guide wheels in a sliding connection mode, the inner peripheral faces of the guide wheels are provided with bearings in a rotating connection mode, the outer peripheral faces of the bearings are provided with sliding columns in a rotating connection mode, the upper end face of each sliding column is fixedly connected with a protective cover, the right end face of the protective cover is fixedly connected with a handle, a machining cavity with a downward opening and a leftward opening is arranged in the protective cover, the right side wall of the machining cavity is fixedly connected with a mandril, an ejection cavity with a leftward opening is arranged in the mandril, an ejection rod is arranged in the ejection cavity in a sliding connection mode, the left end of the ejection rod is fixedly connected with a replaceable joint, the left end of the replaceable joint is fixedly connected with a cutter supporting rod, the left end of the cutter, and then the sliding column and the bearing are driven to move rightwards, so that the guide wheel is driven to slide rightwards, the ejector rod, the replaceable joint, the cutter supporting rod and the machining cutter are driven to move rightwards, and the machined workpiece is taken out.

Advantageously, the right side wall of the storage cavity is provided with a communication port with a rightward opening, the right end face of the equipment box is rotatably connected with a rotating shaft, the outer peripheral face of the rotating shaft is rotatably connected with a swinging plate, and when the collecting box moves rightwards and passes through the communication port to the outside, the upper end face of the collecting box further jacks up and swings the swinging plate.

Beneficially, collect the intracavity and be equipped with the decurrent chamber that lets out of opening, it is equipped with the torsional spring axle to rotate the connection on the preceding back wall that the chamber of letting out keep away from each other, it is equipped with the torsional spring to rotate the connection on the torsional spring axle outer peripheral face, it is equipped with the drain board to rotate the connection on the torsional spring outer peripheral face, work as the collecting box is pushed to external back, the washing waste liquid that collects the intracavity promotes the drain board is swung downwards, and then drives the torsional spring axle the torsional spring rotates, and then will collect the washing waste liquid discharge in the chamber.

The invention has the beneficial effects that: the invention can collect the cutting waste chips into the collecting box and clean the cutting waste chips in time while cutting the workpiece, thereby treating the waste chips in time when a certain amount of the waste chips are obtained, improving the production efficiency of the whole workshop and reducing the labor cost.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of a cutting waste recycling and cleaning device according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;

FIG. 4 is an enlarged schematic view of "C" of FIG. 1;

FIG. 5 is an enlarged schematic view of "E" of FIG. 1;

FIG. 6 is a schematic view of the structure in the direction "D-D" of FIG. 5.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a cutting waste scrap recycling and cleaning device, which comprises an equipment box 11, wherein an equipment cavity 14 and a storage cavity 44 with an upward opening are arranged in the equipment box 11, a connecting cavity 50 is communicated between the equipment cavity 14 and the storage cavity 44, a hydraulic cylinder 12 is fixedly arranged on the left side wall of the equipment cavity 14, a hydraulic column 54 is fixedly connected at the right end of the hydraulic cylinder 12, a telescopic cavity 100 with a rightward opening is arranged in the hydraulic column 54, a detector 53 is fixedly connected on the bottom wall of the telescopic cavity 100, a spring 52 is fixedly connected at the right end of the detector 53, a push rod 51 is fixedly connected at the right end of the spring 52, a collecting box 47 is fixedly connected at the right end of the push rod 51, a collecting cavity 45 with an upward opening is arranged in the collecting box 47, six guide columns 49 are fixedly connected on the lower end face of the collecting box 47, guide columns 49 are rotatably, the guide shaft 48 is rotatably connected with a guide wheel 46, the left side wall and the right side wall of the collecting cavity 45 are provided with an air cylinder 65 and a cleaning liquid box 66 which take the central line of the collecting cavity 45 as the symmetric center, one end of the cleaning liquid box 66 close to each other is fixedly connected with a spray pipe 67, a pipeline 68 is arranged in the spray pipe 67, one end of the air cylinder 65 close to each other is fixedly connected with an air column 58, the air column 58 is internally provided with an air cavity 101 with opposite openings, the bottom wall of the air cavity 101 is fixedly connected with an inductor 60, one end of the inductor 60 close to each other is fixedly connected with an induction spring 61, one end of the induction spring 61 close to each other is fixedly connected with a pushing column 57, the inner peripheral surface of the pushing column 57 is rotatably connected with a swinging shaft 55, the outer peripheral surface of the swinging shaft 55 is rotatably connected with a swinging telescopic column, the lower end of the pressing plate 64 is fixedly connected with a rotating wheel 70, the rotating wheel 70 is rotatably connected with a wheel shaft 71, the wheel shaft 71 is rotatably connected with a support column 69, the support column 69 is fixedly connected with the bottom wall of the collecting cavity 45, the left side wall of the equipment cavity 14 is fixedly connected with a motor 15, the right end of the motor 15 is in power connection with a drive shaft 16, the right end of the drive shaft 16 is fixedly connected with a coupling shaft 18, the right end of the coupling shaft 18 is in meshing connection with a connecting bevel gear 20, the right end of the connecting bevel gear 20 is in meshing connection with a driven bevel gear 21, a coupling rod 103 is rotatably connected between the connecting bevel gear 20 and the driven bevel gear 21, the right end of the driven bevel gear 21 is fixedly connected with a driven shaft 24, the driven shaft 24 is fixedly connected with a holder 25, and, the lower end of the linkage shaft 18 is fixedly connected with a linkage bevel gear 17, the lower end of the linkage bevel gear 17 is engaged with a bevel gear 23, the inner peripheral surface of the bevel gear 23 is fixedly connected with a driving shaft 22, the driving shaft 22 is rotatably connected with the front and rear inner walls of the collection cavity 45, the front end of the driving shaft 22 is fixedly connected with a driving pulley 13, the outer peripheral surface of the driving pulley 13 is rotatably connected with a belt 26, the inner peripheral surface of the belt 26 is rotatably connected with a driven pulley 42, the inner peripheral surface of the driven pulley 42 is fixedly connected with a driven shaft 41, the driven shaft 41 is rotatably connected with the front and rear inner walls of the collection cavity 45, when a workpiece to be processed is clamped on the motor 15, the motor 15 is started to drive the driving shaft 16 to rotate, the driving bevel gear 19 is driven to rotate, further driving the linkage rod 103 to rotate, further driving the linkage shaft 18, the linkage bevel gear 17, the bevel gear 23, the driving pulley 13 and the driving shaft 22 to rotate, further driving the belt 26, the driven pulley 42 and the driven shaft 41 to rotate, further driving the driven bevel gear 21 to rotate, further driving the driven shaft 24 and the holder 25 to rotate, when metal scraps are generated in the machining process, the metal scraps are dropped on the upper end surface of the belt 26, further the metal scraps are dropped in the collection chamber 45, at this time, the air cylinder 65 is started, further driving the air columns 58 to approach each other and extend, further driving the inductor 60, the induction spring 61 and the pushing columns 57 to approach each other and extend, further driving the swinging shafts 55 to rotate, further driving the swinging telescopic columns 56 to approach each other and extend, and then the rotating wheel 70 and the wheel shaft 71 are driven to rotate, so that the pressing plates 64 are driven to swing close to each other and flatten the metal scraps falling in the collecting cavity 45, at the moment, the cleaning liquid tank 66 is started, and then the cleaning liquid in the cleaning liquid tank 66 is filled into the pipeline 68, so that the cleaning liquid in the pipeline 68 is sprayed into the collecting cavity 45 to clean the metal scraps.

Beneficially, two guide wheels 38 are slidably connected to the upper end face of the right side of the equipment box 11, a bearing 37 is rotatably connected to the inner circumferential face of each guide wheel 38, a sliding column 36 is rotatably connected to the outer circumferential face of each bearing 37, a protective cover 34 is fixedly connected to the upper end face of each sliding column 36, a handle 35 is fixedly connected to the right end face of each protective cover 34, a processing cavity 27 with a downward opening and a leftward opening is formed in each protective cover 34, a top rod 33 is fixedly connected to the right side wall of each processing cavity 27, a top cavity 32 with a leftward opening is formed in each top rod 33, a top rod 31 is slidably connected to each top cavity 32, a replaceable joint 30 is fixedly connected to the left end of each top rod 31, a cutter support rod 29 is fixedly connected to the left end of each replaceable joint 30, a processing cutter 28 is fixedly connected to the left end of each, the handle 35 is manually pulled to drive the protective cover 34 to move rightwards, further drive the sliding column 36 and the bearing 37 to move rightwards, further drive the guide wheel 38 to slide rightwards, further drive the ejector rod 33, the ejector rod 31, the replaceable joint 30, the cutter supporting rod 29 and the machining cutter 28 to move rightwards, and further take out the machined workpiece.

Advantageously, the right side wall of the storage chamber 44 is provided with a communication port 43 opened to the right, the right end surface of the equipment box 11 is rotatably connected with a rotation shaft 39, the outer peripheral surface of the rotation shaft 39 is rotatably connected with a swing plate 40, and when the collection box 47 moves to the right to pass through the communication port 43 to the outside, the upper end surface of the collection box 47 further pushes up and swings the swing plate 40.

Beneficially, a liquid drainage cavity 102 with a downward opening is formed in the collection cavity 45, the front wall and the rear wall of the liquid drainage cavity 102, which are far away from each other, are rotatably connected to form a torsion spring shaft 72, the outer peripheral surface of the torsion spring shaft 72 is rotatably connected to form a torsion spring 74, the outer peripheral surface of the torsion spring 74 is rotatably connected to form a liquid drainage plate 73, and when the collection box 47 is pushed to the outside, the cleaning waste liquid in the collection cavity 45 pushes the liquid drainage plate 73 to swing downwards, so that the torsion spring shaft 72 and the torsion spring 74 are driven to rotate, and the cleaning waste liquid in the collection cavity 45 is discharged.

The following describes in detail the use steps of a cutting waste recycling and cleaning device according to the present disclosure with reference to fig. 1 to 6: initially, the motor 15, the hydraulic cylinder 12, the air cylinder 65, and the cleaning solution tank 66 are in a closed state, the hydraulic column 54, the detector 53, the spring 52, and the push rod 51 are on the left side of the equipment chamber 14 and stabilize the collection tank 47 at the left side of the storage chamber 44, the sensor 60, the sensing spring 61, and the push rod 57 are at positions away from each other and stabilize the pressing plate 64 at positions away from each other and at the upper side of the collection chamber 45, the liquid discharge plate 73 is in a closed state, the ejector rod 31, the interchangeable joint 30, the tool support rod 29, and the machining tool 28 are at positions at the right side of the machining chamber 27, and the swing plate 40 is at a position close to the right end face of the equipment.

When the processing tool is used, a workpiece to be processed is clamped on the clamp holder 25, the handle 35 is pushed leftwards at the moment to further drive the protective cover 34, the ejector rod 33, the ejector rod 31, the replaceable joint 30, the tool supporting rod 29 and the processing tool 28 to move leftwards, so that the workpiece to be processed is in a clamped state to be processed, the motor 15 is started at the moment to further drive the driving shaft 16 and the driving bevel gear 19 to rotate, further drive the linkage rod 103 to rotate, further drive the connecting bevel gear 20, the linkage shaft 18 and the linkage bevel gear 17 to rotate, further drive the driven bevel gear 21, the driven shaft 24 and the clamp holder 25 to rotate and drive the workpiece clamped on the clamp holder 25 to rotate, the processing tool 28 processes the workpiece to be processed, further drive the bevel gear 23, the driving shaft 22, the driving belt pulley 13, the belt 26, the driven shaft 41 and the driven belt pulley 42 to rotate, so that metal scraps generated in the processing process of, the upper end surface of the belt 26 has the function of adsorbing metal scraps and preventing the metal scraps from falling at the outer end of the collection box 47 in the processing process, so as to eliminate the influence of untimely collection of the metal scraps, under the condition that the driving shaft 22, the driving belt pulley 13, the belt 26, the driven shaft 41 and the driven belt pulley 42 rotate, the metal scraps can fall in the collection cavity 45 under the action of gravity, the cleaning liquid box 66 is started at the moment, the cleaning liquid in the cleaning liquid box 66 is filled into the pipeline 68, the cleaning liquid in the pipeline 68 is sprayed into the collection cavity 45 to clean the metal scraps, the air cylinder 65 is started at the moment, the air columns 58 are driven to approach and extend each other, the inductor 60, the induction spring 61, the pushing column 57 are driven to approach and extend each other, the swinging shaft 55 is driven to rotate, the swinging telescopic columns 56 are driven to approach and extend each other, and the rotating wheel 70, The wheel shaft 71 rotates to drive the pressing plates 64 to swing close to each other and press metal scraps falling in the collection cavity 45 flat, when the metal scraps in the collection cavity 45 reach a rated amount, the telescopic cavity 100 detects the quality of the metal scraps in the collection cavity 45, at this time, the hydraulic cylinder 12 is started, the detector 53, the spring 52, the hydraulic column 54 and the push rod 51 are driven to be good right, the collection box 47 is pushed to move rightwards integrally, the guide column 49 and the guide shaft 48 are driven to move rightwards, the guide wheel 46 is driven to slide rightwards, the collection box 47 passes through the communication port 43 to the outside integrally, the upper end face of the collection box 47 jacks up the lower end face of the swinging plate 40, the swinging plate 40 swings upwards, and after machining is finished, the handle 35 is pulled, the protective cover 34, the ejector rod 33, the ejector rod 31, the replaceable joint 30, the cutter supporting rod 29 and the machining cutter 28 move rightwards integrally, the bearing 37 and the rotating shaft 39 are driven to move rightward, the guide wheel 38 is driven to slide rightward, and the machined workpiece is taken out.

After the whole processing is finished, after the metal scraps in the collecting cavity 45 reach a certain mass, the liquid draining plate 73 is opened, the torsion spring shaft 72 and the torsion spring 74 are driven to rotate, the cleaning waste liquid in the collecting cavity 45 is discharged, and the metal scraps in the collecting cavity 45 are taken out at the moment.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides a belt cleaning device is retrieved to cutting sweeps, includes the equipment box, its characterized in that: the device box is internally provided with a device cavity and a storage cavity with an upward opening, a connecting cavity is communicated and arranged between the device cavity and the storage cavity, the left side wall of the device cavity is fixedly provided with a hydraulic cylinder, the right end of the hydraulic cylinder is fixedly connected and provided with a hydraulic column, the hydraulic column is internally provided with a telescopic cavity with a rightward opening, the bottom wall of the telescopic cavity is fixedly connected and provided with a detector, the right end of the detector is fixedly connected and provided with a spring, the right end of the spring is fixedly connected and provided with a push rod, the right end of the push rod is fixedly connected and provided with a collecting box, the collecting box is internally provided with a collecting cavity with an upward opening, the lower end surface of the collecting box is fixedly connected and provided with six guide posts, the guide posts are rotatably connected and provided with guide shafts, the guide shafts are rotatably connected and provided with, the cleaning liquid box is fixedly connected and provided with a spray pipe at one end close to each other, a pipeline is arranged in the spray pipe, an air column is fixedly connected and provided at one end close to each other of an air cylinder, an air cavity with opposite openings is arranged in the air column, an inductor is fixedly connected and provided on the bottom wall of the air cavity, an induction spring is fixedly connected and provided at one end close to each other of the inductor, a pushing column is fixedly connected and provided at one end close to each other of the induction spring, an oscillating shaft is rotatably connected and provided on the inner circumferential surface of the pushing column, an oscillating telescopic column is rotatably connected and provided on the outer circumferential surface of the oscillating shaft, a pressing plate is fixedly connected and provided at one end close to each other of the oscillating telescopic column, the lower end of the pressing plate is fixedly connected and provided with a rotating wheel, the rotating wheel is rotatably connected and provided with a wheel, the right end of the motor is provided with a driving shaft in a power connection mode, the right end of the driving shaft is fixedly connected with a coupling shaft, the right end of the coupling shaft is provided with a connecting bevel gear in a meshing connection mode, the right end of the connecting bevel gear is provided with a driven bevel gear in a meshing connection mode, a coupling rod is fixedly connected between the connecting bevel gear and the driven bevel gear, the right end of the driven bevel gear is fixedly connected with a driven shaft, the driven shaft is fixedly connected with a holder, the lower end of the connecting bevel gear is fixedly connected with a coupling shaft, the lower end of the coupling shaft is provided with a coupling bevel gear in a meshing connection mode, the inner peripheral surface of the bevel gear is fixedly connected with a driving shaft, the driving shaft is rotatably connected to the front inner wall and the rear inner wall, the inner peripheral surface of the belt is rotatably connected with a driven belt pulley, the inner peripheral surface of the driven belt pulley is fixedly connected with a driven shaft, and the driven shaft is rotatably connected with the front inner wall and the rear inner wall of the collection cavity.

2. A cutting scrap recycling and cleaning apparatus in accordance with claim 1, wherein: the equipment box right side up end sliding connection is equipped with two leading wheels, the leading wheel inner peripheral surface rotates to connect and is equipped with the bearing, the bearing outer peripheral face rotates to connect and is equipped with the slip post, slip post up end fixed connection is equipped with the protection casing, protection casing right-hand member face fixed connection is equipped with the handle, be equipped with the downward just opening processing chamber left of opening in the protection casing, fixed connection is equipped with the ejector pin on the processing chamber right side wall, be equipped with the ejecting chamber left of opening in the ejector pin, ejecting intracavity sliding connection is equipped with the ejector pin, ejector pin left end fixed connection is equipped with the interchangeable and connects, interchangeable connects left end fixed connection and is equipped with the cutter bracing piece, cutter bracing piece left end fixed connection is equipped with the.

3. A cutting scrap recycling and cleaning apparatus in accordance with claim 2, wherein: the right side wall of the storage cavity is provided with a communicating port with a rightward opening, the right end face of the equipment box is rotatably connected with a rotating shaft, and the peripheral surface of the rotating shaft is rotatably connected with a swinging plate.

4. A cutting scrap recycling and cleaning apparatus in accordance with claim 1, wherein: collect the intracavity and be equipped with the decurrent chamber of draining of opening, it is equipped with the torsional spring axle to rotate the connection on the preceding back wall that the chamber of draining kept away from each other, it is equipped with the torsional spring to rotate the connection on the torsional spring axle outer peripheral face, it is equipped with the drain board to rotate the connection on the torsional spring outer peripheral face.